Base | Representation |
---|---|
bin | 10001101000000010011… |
… | …001011110101000111010 |
3 | 11021210101002000112022112 |
4 | 101220002121132220322 |
5 | 124321040034323002 |
6 | 2324232141452322 |
7 | 153336120502562 |
oct | 21500231365072 |
9 | 4253332015275 |
10 | 1211221011002 |
11 | 427748758802 |
12 | 1768ab5710a2 |
13 | 8a2aa244ca2 |
14 | 428a28c9da2 |
15 | 2178ed84852 |
hex | 11a0265ea3a |
1211221011002 has 16 divisors (see below), whose sum is σ = 1847662768800. Its totient is φ = 595333838160.
The previous prime is 1211221010981. The next prime is 1211221011079. The reversal of 1211221011002 is 2001101221121.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9373352 + ... + 9501692.
It is an arithmetic number, because the mean of its divisors is an integer number (115478923050).
Almost surely, 21211221011002 is an apocalyptic number.
1211221011002 is a deficient number, since it is larger than the sum of its proper divisors (636441757798).
1211221011002 is a wasteful number, since it uses less digits than its factorization.
1211221011002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208381.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 1211221011002 its reverse (2001101221121), we get a palindrome (3212322232123).
The spelling of 1211221011002 in words is "one trillion, two hundred eleven billion, two hundred twenty-one million, eleven thousand, two".
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